FAM. EMPIDID/E 
Nouv. Man. Ent. Vol. 3, p. 324 (1843); Walker, List, Vol. 3, p. 508 
(1849); Zetterstedt, Dipt. Scand, Vol. 8, p. 3004 [1849] (Tachydromia) ; 
Scholz, Zeitschr. Ent. Breslau, Vol. 5 (19), p. 57 [1851] (Tachy- 
dromia) ; Walker, Ins. Brit. Dipt. Vol. r, p. 122, pl. 5, f. 2 (1851); 
Zetterstedt, Dipt. Scand. Vol. 12, p. 4600 [1855] (Tachydromia); 
Bonsdorff, Finl. tvàv. Ins. Dipt. Vol. rz, p. 148 [1861] (Tachydromia) ; 
Schiner, Fauna Austr. Dipt. Vol. 1, p. 87 (1862); Siebke, Nyt Mag. 
Naturvid. Vol. 14, p. 399 [1866] (Tachydromia); Walker, Ent. Vol. 5, 
p. 273 (1871); Jaroschewsky, Trudy Khark. Vol. 11, p. 352 (1877); 
Strobl, Mitteil. Naturw. Ver. Steiermark, Graz, Vol. 29, p. 116 
[1892] (Tachydromia); Frey, Zeitschr. Hym. Dipt. Vol. 7, p. 409 
[1907] (Tachydromia); Medd. Soc. Fenn. Helsingfors, Vol. 34, p. 21 
[1908] (Tachydromia); Lundbeck, Dipt. Danica, Vol. 3 (6), p. 290 
f. 132 [1910] (Tachydromia) ; Wahlgren, Ent. Tidskr. Vol. 31r, p. 93 
[1910] (Tachydromia); Becker, Ann. Mus. Zool. St-Petersburg, 
Vol. 17, p. 597 [1913] (Tachydromia); Frey, Acta Soc. Sc. Fenn. 
Helsingfors, Vol. 37 (3), p. 78 [1913] (Tachydromia). 
vulgaris, Meigen, Klassif. Vol. 1, p. 237 [1804] (Tachydromia). 
var. fulvipes, Meigen, Syst. Beschr. Vol. 3, p. 78 [1822] (Tachydromia); Walker, 
List. Vol. 3, p. 508 (1849); Ins. Brit. Dipt. Vol. 1, p. 125 (1851); Schiner, 
Fauna Austr, Dipt. Vol. 1, p. 89 (1862); Frey, Zeitschr. Hym. Dipt. 
Vol. 7, p. 409 [1907] (Tachydromia); Acta Soc. Sc. Fenn. Helsingfors, 
Vol. 31 (9), p. 9 [1908] (Tachydromia) ; Medd. Soc. Sc. Fenn. Helsingfors, 
Vol. 34, p. 21 [1908] (Tachydromia); Lundbeck, Dipt. Danica, Vol. 3, 
p. 295 [1910] (Tachydromia); Frey, Acta Soc. Sc. Fenn. Helsingfors, 
Vol. 37 (3), p. 78 [1913] (Tachydromia). 
fascipes, Strobl (not Meigen), Mitteil. Naturw. Ver. Steiermark, Graz, Vol. 29, 
p. 120 [1892] (Taehydromia); Bezzi, Bull. Soc. Ent. Ital. Vol. 3o, p. 158 
[1899] (Tachydromia); Strobl, Mitteil. Naturw. Ver. Steiermark, Graz, 
Vol. 46, p. 84 [1909] (Tachydromia). 
var. gracilis, Scholz, Zeitschr. Ent. Breslau, Vol. 5 (19), p. 57 [1851] (Tachydromia). 
var. melanochetus, Bezzi, Bull. Soc, Ent. Ital. Vol. 3o, p. 158[1899]( Tachydromia). 
var. pseudofulvipes, Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 31, p. 9 (1908); 
Vol. 37 (3), p. 79 [1913] (Tachydromia). 
106. P. flavibes, Scopoli, Ent. Carniolica, p. 366 [1763] (Asilus); Thunberg, 
Nova Acta Upsalensis, Vol. 4, p. 26, var. part [1784] (Empis); 
Olivier, Encyclop. Method. Vol. 6, p. 390 [1791] (Emfis); Schiner, 
Verh. Zool-bot. Ges. Wien. Vol. 6, p. 421 [1856] (Tachydromia). 
107. P. flavirostris, Loew, Berl. Ent. Zeitschr. Vol. 8, p. 9o : Cent. 5, No. 80 
(1864); Coquillett, Proc. U. S. Mus. Vol. 18, p. 438 (1895); Proc. 
Wash. Acad. Sc. Vol. 2, p. 422 (1900); Melander, Trans. Amer. 
Ent. Soc. Vol. 28, p. 219, 342 (1902). 
var. dilutior, nov. var. 
var. qicYocerus, nov. var. 
var. vittiger, nov. var. 
108. P. flavus, Macquart, Mém. Soc. Sc. Lille, p. 153 [1823] (Tachydvromia). 
109. P. formalis, Walker, Ins. Brit. Dipt. Vol r, p. 130 (1851). 
110. P. fulcratus, Scopoli, Ent. Carniolica, p. 366 [1763] (Asilus); Olivier, 
Encycl. Meth. Vol. 6, p. 390 [1791] (Emf:s); Schiner, Verh. Zool- 
bot. Ver. Wien. Vol. 6, p. 421 [1856] (1 achydromia). 
III. P. fuscicornis, Zetterstedt, Dipt. Scand. Vol. rz, p. 291 [1842] (Taehy- 
dromia); ibidem, Vol. 8, p. 3006 [1849] (Tachydromia); Scholz, 
Zeitschr. Ent. Breslau, Vol. 6 (r9), p. 58 [1851:] (Tachydromia); 
Schiner, Fauna Austr. Dipt. Vol. r, p. 9o (1862); Strobl, Wien. 
Ent. Zeit. Vol. 18, p..78 [1899] (Tackydromia); Lundbeck, Dipt. 
Danica, Vol. 3, p. 316|1910](Tachydromia) ; Wahlgren, Ent. Tidskr. 
Europe. 
C. Europe. 
S. Europe. 
Finland. 
C. Europe. 
New Hampshire. 
Washington. 
Idaho. 
Alaska, Montana. 
France. 
England. 
C. Europe. 
N. & C. Europe. 
855 
